


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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884 CDUS43 KLOT 010638 CLIORD CLIMATE REPORT NATIONAL WEATHER SERVICE CHICAGO IL 138 AM CDT TUE JUL 01 2025 ................................... ...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JUNE 30 2025... CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1871 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) YESTERDAY MAXIMUM 90 4:37 PM 99 1913 84 6 71 1953 MINIMUM 74 4:00 AM 45 1943 65 9 59 AVERAGE 82 74 8 65 PRECIPITATION (IN) YESTERDAY 0.00 2.60 2014 0.12 -0.12 0.00 MONTH TO DATE 3.63 4.10 -0.47 3.10 SINCE JUN 1 3.63 4.10 -0.47 3.10 SINCE JAN 1 13.13 18.75 -5.62 18.37 SNOWFALL (IN) YESTERDAY 0.0 T 1932 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 T SINCE JUN 1 0.0 0.0 0.0 T SINCE JUL 1 17.6 38.4 -20.8 22.2 SNOW DEPTH 0 DEGREE DAYS HEATING YESTERDAY 0 0 0 0 MONTH TO DATE 13 29 -16 6 SINCE JUN 1 13 29 -16 6 SINCE JUL 1 5441 5972 -531 4775 COOLING YESTERDAY 17 10 7 0 MONTH TO DATE 296 199 97 278 SINCE JUN 1 296 199 97 278 SINCE JAN 1 330 269 61 358 ................................................................... WIND (MPH) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310) HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310) AVERAGE WIND SPEED 7.8 SKY COVER AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 85 1:00 AM LOWEST 42 5:00 PM AVERAGE 64 .......................................................... THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 84 103 1956 MINIMUM TEMPERATURE (F) 65 46 1982 SUNRISE AND SUNSET JULY 1 2025..........SUNRISE 5:20 AM CDT SUNSET 8:31 PM CDT JULY 2 2025..........SUNRISE 5:21 AM CDT SUNSET 8:31 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$